-ˈā noun
: a coenzyme C 21 H 36 N 7 O 16 P 3 S occurring in all living cells that is essential to the metabolism of carbohydrates, fats, and some amino acids and in the form of its acetyl or other acyl derivatives promotes biological acetylations or other acylations and that is a nucleotide consisting of a pyrophosphoric ester of both adenylic acid and pantetheine — called also CoA